the chemical formula for sulfuric acid is H2SO4 . in one molecule of sulfuric acid there are 1. two atoms of helium 2. two atoms of oxygen 3. four atoms of oxygen 4. four atoms of sulfur oxide

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.

You are given an electron micrograph of a bacterial cell. in the micrograph you can clearly see three thin layers of different densities surrounding the cell. based on the micrograph, you can infer that this cell is and would appear after application of the gram stain procedure. gram-negative / pink gram-positive / purple gram-positive / pink gram-negative / purple

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